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Interactions of Matter

  •  English    63     Public
    Physical/ Chemical Properties & Changes, Synthetic Materials
  •   Study   Slideshow
  • True/ False: Particles of matter are always in motion.
    True
  •  5
  • The model represents one molecule of hydrazine. The black spheres represent nitrogen, the white spheres represent hydrogen. Based on this model, what is the atomic composition?
    2 atoms of nitrogen and 4 atoms of hydrogen
  •  15
  • ?
    solid & liquid
  •  5
  • True/ False: Temperature is the average kinetic energy of a substance.
    True
  •  5
  • The state of matter of a material depends on its ___________.
    temperature
  •  5
  • True/ False: Shape is a physical property.
    True
  •  5
  • True/ False: Density is an example of a chemical property.
    False- physical property
  •  5
  • True/ False: Chemical reactions can eithe release more energy that they absorb or absorb more energy than they release, depending on the reaction.
    True
  •  5
  • ?
    Add another hydrogen atom to the product molecule that has one hydrogen atom
  •  10
  • True/ False: Mass is a chemical property.
    False- physical property
  •  10
  • True/ False: The state of matter is a physical property.
    True
  •  5
  • True/ False: Matter can be classified based on chemical properties.
    True
  •  10
  • True/ False: Malleability is a physical property.
    True
  •  5
  • True/ False: When a substance undergoes a physical change, its identity does not chage.
    True
  •  10
  • What is the formula for density?
    D= m/v
  •  15
  • What is the law of conservation of mass?
    The mass before a reaction is the same as the total mass after a reaction.
  •  15